Quality vs. Quantity of Practice

Most people will say they prefer quality over quantity.  Yet, more often than not (especially in the world of gymnastics), there is a high level of emphasis on how many hours per week athletes train. Most figure "the more the better and more advanced the athlete."  There are some cases where this can be true.  If the practices are being run efficiently and correctly, the more time in the gym the better.  Again, IF the practices are QUALITY.   Say your athlete attends 5 days a week, 4 hours a